import { ref, unref } from 'vue';
import { tryOnUnmounted } from '@vueuse/core';
export function useCountdown(count) {
    const currentCount = ref(count);
    const isStart = ref(false);
    let timerId;
    function clear() {
        timerId && window.clearInterval(timerId);
    }
    function stop() {
        isStart.value = false;
        clear();
        timerId = null;
    }
    function start() {
        if (unref(isStart) || !!timerId) {
            return;
        }
        isStart.value = true;
        timerId = setInterval(() => {
            if (unref(currentCount) === 1) {
                stop();
                currentCount.value = count;
            }
            else {
                currentCount.value -= 1;
            }
        }, 1000);
    }
    function reset() {
        currentCount.value = count;
        stop();
    }
    function restart() {
        reset();
        start();
    }
    tryOnUnmounted(() => {
        reset();
    });
    return { start, reset, restart, clear, stop, currentCount, isStart };
}
